<template>
  <div>
    <el-form
      :model="formData"
      inline
      style="display: flex;justify-content: flex-end;margin-top: 10px;"
    >
      <el-form-item prop="name">
        <el-input v-model="formData.name" placeholder="请输入角色名称"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button @click="search" type="primary">查找</el-button>
        <el-button @click="openDialog('创建', 'add', null)" type="primary">添加</el-button>
      </el-form-item>
    </el-form>

    <el-table v-loading="tableLoading" :data="tableData" border>
      <el-table-column align="center" label="角色名称" prop="name"></el-table-column>
      <el-table-column align="center" label="说明" prop="desc"></el-table-column>
      <el-table-column
        label="操作"
        width="300">
        <template slot-scope="scope">
          <el-button size="mini" @click="openDialog('编辑', 'edit', scope.row)" type="primary">编辑</el-button>
          <el-button size="mini" @click="deleteData(scope.row)" type="danger">删除</el-button>
          <el-button size="mini" @click="getPermission(scope.row)" type="primary">授权</el-button>
        </template>
      </el-table-column>
    </el-table>

    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="pageInfo.page"
      :page-sizes="[10, 20, 30, 50, 100]"
      :page-size="pageInfo.limit"
      background
      layout="total, sizes, prev, pager, next, jumper"
      :total="pageInfo.total">
    </el-pagination>

    <el-dialog
      :visible.sync="dialogVisible"
      :title="dialogTitle"
      width="500"
    >
      <el-form ref="dialogForm" :rules="formRules" :model="dialogFormData" label-width="100px">
        <el-form-item label="角色名称" prop="name">
          <el-input v-model="dialogFormData.name"></el-input>
        </el-form-item>
        <el-form-item label="说明" prop="desc">
          <el-input type="textarea" v-model="dialogFormData.desc"></el-input>
        </el-form-item>
      </el-form>

      <span slot="footer">
        <el-button @click="cancel">取 消</el-button>
        <el-button @click="confirm" type="primary">确 定</el-button>
      </span>
    </el-dialog>


    <el-dialog
      :visible.sync="dialogTreeVisible"
      :title="dialogTreeTitle"
      width="500"
    >

    <el-tree ref="tree" :data="treeData" show-checkbox node-key="id">
      <span slot-scope="{data}">
        {{data.label}} <el-tag v-if="data.api" size="mini">{{data.api}}</el-tag>
      </span>
    </el-tree>


      <span slot="footer">
        <el-button @click="permissioCancel">取 消</el-button>
        <el-button @click="permissionConfirm" type="primary">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import axios from 'axios'

export default {
  name: 'roleManage',
  componentTitle: '角色管理',
  data () {
    return {
      dialogTreeVisible: false,
      dialogTreeTitle: '授权',
      treeData: [],
      tableLoading: false,
      dialogVisible: false,
      dialogTitle: '创建',
      dialogType: 'add',
      dialogFormData: {
        name: '',
        desc: ''
      },
      pageInfo: {
        page: 1,
        limit: 10,
        total: 0
      },
      formData: {
        name: ''
      },
      currentCopyRow: {},
      tableData: [],
      formRules: {
        question: [
          {required: true, message: '请输入问题', trigger: 'change'}
        ],
        answer: [
          {required: true, message: '请输入回答', trigger: 'change'}
        ]
      }
    }
  },
  mounted () {
    this.search()
  },
  methods: {
    getPermission (row) {
      this.currentCopyRow = Object.assign({}, row)
      // 打开授权的dialog框
      this.dialogTreeVisible = true
      // 请求树形数据
      axios({
        url: 'http://192.168.200.251:8888/admin/role/permissions',
        method: 'get',
        params: {
          roleId: row.id
        },
        headers: {
          'Shopping-Admin-Token': sessionStorage.getItem('Shopping-Admin-Token')
        }
      }).then(res => {
        console.log('tree', res)
        this.treeData = res.data.data.systemPermissions

        this.$refs.tree.setCheckedKeys(res.data.data.assignedPermissions)
        // if (res.data.errno === 0) {
        //   this.cancel()
        //   this.$notify.success({title: '添加成功'})

        //   this.search()
        // } else {
        //   this.$notify.error({title: '添加失败'})
        // }
      })
      // 树形数据赋值
    },
    permissioCancel () {
      this.dialogTreeVisible = false
    },
    permissionConfirm () {
      let rootData = this.$refs.tree.root.childNodes
      // console.log(this.$refs.tree.root.childNodes)

      // console.log(this.getCheckedTree(rootData))

      console.log(this.currentCopyRow)
      axios({
        url: 'http://192.168.200.251:8888/admin/role/permissions',
        method: 'post',
        data: {
          permissions: this.getCheckedTree(rootData),
          roleId: this.currentCopyRow.id
        },
        headers: {
          'Shopping-Admin-Token': sessionStorage.getItem('Shopping-Admin-Token')
        }
      }).then(res => {
        console.log(res)
        if (res.data.errno === 0) {
          this.permissioCancel()
          this.$notify.success({title: '添加成功'})

          this.search()
        } else {
          this.$notify.error({title: '添加失败'})
        }
      })
    },
    getCheckedTree (nodeList, list = []) {
      nodeList.forEach(item => {
        // 如果当前节点的childNodes是空数组，那么证明当前节点是最底层节点，最后将当前节点的id push到list中
        if (!item.childNodes.length && item.checked) {
          list.push(item.data.id)
        }

        if (item.childNodes && item.childNodes.length) {
          return this.getCheckedTree(item.childNodes, list)
        }
      })

      return list
    },
    openDialog (title, type, row) {
      this.dialogVisible = true
      this.dialogType = type
      this.dialogTitle = title

      if (type === 'edit') {
        this.$nextTick(() => {
          this.dialogFormData = Object.assign({}, row)
        })
      }
    },
    confirm () {
      this.$refs.dialogForm.validate(valid => {
        if (valid) {
          if (this.dialogType === 'add') {
            this.addData()
          } else if (this.dialogType === 'edit') {
            this.editData()
          }
        } else {
          return false
        }
      })
    },
    cancel () {
      this.$refs.dialogForm.resetFields()
      this.dialogVisible = false
    },
    // 添加接口
    addData () {
      axios({
        url: 'http://192.168.200.251:8888/admin/role/create',
        method: 'post',
        data: {
          name: this.dialogFormData.name,
          desc: this.dialogFormData.desc
        },
        headers: {
          'Shopping-Admin-Token': sessionStorage.getItem('Shopping-Admin-Token')
        }
      }).then(res => {
        if (res.data.errno === 0) {
          this.cancel()
          this.$notify.success({title: '添加成功'})

          this.search()
        } else {
          this.$notify.error({title: '添加失败'})
        }
      })
    },
    // 编辑接口
    editData () {
      axios({
        url: 'http://192.168.200.251:8888/admin/role/update',
        method: 'post',
        data: {
          ...this.dialogFormData
        },
        headers: {
          'Shopping-Admin-Token': sessionStorage.getItem('Shopping-Admin-Token')
        }
      }).then(res => {
        if (res.data.errno === 0) {
          this.cancel()
          this.$notify.success({title: '编辑成功'})

          this.search()
        } else {
          this.$notify.error({title: '编辑失败'})
        }
      })
    },
    deleteData (row) {
      this.$confirm('此操作将删除该问题, 是否继续?').then(() => {
        axios({
          url: 'http://192.168.200.251:8888/admin/role/delete',
          method: 'post',
          data: row,
          headers: {
            'Shopping-Admin-Token': sessionStorage.getItem('Shopping-Admin-Token')
          }
        }).then(res => {
          this.$notify.success({title: '删除成功'})
  
          this.search()
        })
      })
    },
    search () {
      this.tableLoading = true

      axios({
        url: 'http://192.168.200.251:8888/admin/role/list',
        method: 'get',
        params: {
          page: this.pageInfo.page,
          limit: this.pageInfo.limit,
          ...this.formData
        },
        headers: {
          'Shopping-Admin-Token': sessionStorage.getItem('Shopping-Admin-Token')
        }
      }).then(res => {
        this.tableLoading = false
        this.tableData = res.data.data.list

        this.pageInfo.total = res.data.data.total
        console.log(res)
      })
    },
    // 每页多少条切换
    handleSizeChange (value) {
      this.pageInfo.limit = value

      this.search()
    },
    // 当前页码的切换
    handleCurrentChange (value) {
      this.pageInfo.page = value

      this.search()
    }
  }
}
</script>